Class information for:
Level 2: PERMAFROST//STATE FROZEN SOIL ENGN//COLD REGIONS SCIENCE AND TECHNOLOGY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
2394 4235 39.0 43%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
524 3       JOURNAL OF GLACIOLOGY//COLD REGIONS SCIENCE AND TECHNOLOGY//ANNALS OF GLACIOLOGY 20397
2394 2             PERMAFROST//STATE FROZEN SOIL ENGN//COLD REGIONS SCIENCE AND TECHNOLOGY 4235
2327 1                   PERMAFROST//PERMAFROST AND PERIGLACIAL PROCESSES//ACTIVE LAYER 2281
8133 1                   STATE FROZEN SOIL ENGN//COLD REGIONS SCIENCE AND TECHNOLOGY//FROZEN SOIL 1289
16238 1                   ICE JAM//RIVER ICE//FRAZIL ICE 665

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PERMAFROST authKW 2616200 17% 49% 734
2 STATE FROZEN SOIL ENGN address 1698509 8% 68% 346
3 COLD REGIONS SCIENCE AND TECHNOLOGY journal 1031418 13% 26% 555
4 PERMAFROST AND PERIGLACIAL PROCESSES journal 1004073 7% 46% 306
5 ICE JAM authKW 578661 2% 94% 85
6 FROZEN SOIL authKW 552013 3% 61% 125
7 RIVER ICE authKW 517573 2% 83% 86
8 ACTIVE LAYER authKW 452863 3% 47% 135
9 THERMOKARST authKW 394064 2% 68% 81
10 COLD ARID REG ENVIRONM ENGN address 338965 9% 12% 390

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Geosciences, Multidisciplinary 71622 48% 1% 2018
2 Geography, Physical 52475 19% 1% 798
3 Engineering, Civil 28167 23% 0% 962
4 Engineering, Environmental 17899 17% 0% 709
5 Geology 16420 9% 1% 374
6 Engineering, Geological 11110 6% 1% 261
7 Water Resources 10860 14% 0% 595
8 Environmental Sciences 5022 18% 0% 760
9 Meteorology & Atmospheric Sciences 2241 7% 0% 301
10 Soil Science 1202 3% 0% 148

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 STATE FROZEN SOIL ENGN 1698509 8% 68% 346
2 COLD ARID REG ENVIRONM ENGN 338965 9% 12% 390
3 STATE FROZEN SOILS ENGN 216835 1% 79% 38
4 PERMAFROST 99633 1% 37% 37
5 CAREERI 94467 1% 30% 43
6 WATER CLIMATE IMPACTS 87825 1% 42% 29
7 BEILUHE OBSERVAT STN FROZEN SOIL ENVIRONM ENGN 86500 0% 100% 12
8 MELNIKOV PERMAFROST 83047 1% 52% 22
9 STATE FROZEN SOIL ENGN COLD ARID REG EN 76133 0% 81% 13
10 NO ENGN 75024 1% 31% 34

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COLD REGIONS SCIENCE AND TECHNOLOGY 1031418 13% 26% 555
2 PERMAFROST AND PERIGLACIAL PROCESSES 1004073 7% 46% 306
3 JOURNAL OF COLD REGIONS ENGINEERING 249133 2% 36% 95
4 CANADIAN GEOTECHNICAL JOURNAL 39366 3% 4% 137
5 ARCTIC AND ALPINE RESEARCH 24208 1% 6% 53
6 JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 24150 2% 5% 74
7 CANADIAN JOURNAL OF CIVIL ENGINEERING 22884 3% 3% 107
8 CRYOSPHERE 22753 1% 6% 55
9 ARCTIC ANTARCTIC AND ALPINE RESEARCH 18735 1% 5% 53
10 HYDROLOGICAL PROCESSES 17537 3% 2% 121

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 PERMAFROST 2616200 17% 49% 734 Search PERMAFROST Search PERMAFROST
2 ICE JAM 578661 2% 94% 85 Search ICE+JAM Search ICE+JAM
3 FROZEN SOIL 552013 3% 61% 125 Search FROZEN+SOIL Search FROZEN+SOIL
4 RIVER ICE 517573 2% 83% 86 Search RIVER+ICE Search RIVER+ICE
5 ACTIVE LAYER 452863 3% 47% 135 Search ACTIVE+LAYER Search ACTIVE+LAYER
6 THERMOKARST 394064 2% 68% 81 Search THERMOKARST Search THERMOKARST
7 FROST HEAVE 336599 2% 65% 72 Search FROST+HEAVE Search FROST+HEAVE
8 PERMAFROST DEGRADATION 224540 1% 69% 45 Search PERMAFROST+DEGRADATION Search PERMAFROST+DEGRADATION
9 GROUND ICE 212887 1% 62% 48 Search GROUND+ICE Search GROUND+ICE
10 THERMOKARST LAKES 203072 1% 78% 36 Search THERMOKARST+LAKES Search THERMOKARST+LAKES

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 WALVOORD, MA , KURYLYK, BL , (2016) HYDROLOGIC IMPACTS OF THAWING PERMAFROST-A REVIEW.VADOSE ZONE JOURNAL. VOL. 15. ISSUE 6. P. - 126 85% 6
2 SCHUUR, EAG , MCGUIRE, AD , SCHADEL, C , GROSSE, G , HARDEN, JW , HAYES, DJ , HUGELIUS, G , KOVEN, CD , KUHRY, P , LAWRENCE, DM , ET AL (2015) CLIMATE CHANGE AND THE PERMAFROST CARBON FEEDBACK.NATURE. VOL. 520. ISSUE 7546. P. 171 -179 52 68% 165
3 VONK, JE , TANK, SE , BOWDEN, WB , LAURION, I , VINCENT, WF , ALEKSEYCHIK, P , AMYOT, M , BILLET, MF , CANARIO, J , CORY, RM , ET AL (2015) REVIEWS AND SYNTHESES: EFFECTS OF PERMAFROST THAW ON ARCTIC AQUATIC ECOSYSTEMS.BIOGEOSCIENCES. VOL. 12. ISSUE 23. P. 7129 -7167 122 44% 19
4 WU, QB , NIU, FJ , (2013) PERMAFROST CHANGES AND ENGINEERING STABILITY IN QINGHAI-XIZANG PLATEAU.CHINESE SCIENCE BULLETIN. VOL. 58. ISSUE 10. P. 1079 -1094 71 92% 18
5 KOKELJ, SV , JORGENSON, MT , (2013) ADVANCES IN THERMOKARST RESEARCH.PERMAFROST AND PERIGLACIAL PROCESSES. VOL. 24. ISSUE 2. P. 108-119 61 90% 45
6 KURYLYK, BL , WATANABE, K , (2013) THE MATHEMATICAL REPRESENTATION OF FREEZING AND THAWING PROCESSES IN VARIABLY-SATURATED, NON-DEFORMABLE SOILS.ADVANCES IN WATER RESOURCES. VOL. 60. ISSUE . P. 160-177 79 74% 28
7 BRING, A , FEDOROVA, I , DIBIKE, Y , HINZMAN, L , MARD, J , MERNILD, SH , PROWSE, T , SEMENOVA, O , STUEFER, SL , WOO, MK , (2016) ARCTIC TERRESTRIAL HYDROLOGY: A SYNTHESIS OF PROCESSES, REGIONAL EFFECTS, AND RESEARCH CHALLENGES.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. VOL. 121. ISSUE 3. P. 621 -649 93 42% 8
8 VON DEIMLING, TS , GROSSE, G , STRAUSS, J , SCHIRRMEISTER, L , MORGENSTERN, A , SCHAPHOFF, S , MEINSHAUSEN, M , BOIKE, J , (2015) OBSERVATION-BASED MODELLING OF PERMAFROST CARBON FLUXES WITH ACCOUNTING FOR DEEP CARBON DEPOSITS AND THERMOKARST ACTIVITY.BIOGEOSCIENCES. VOL. 12. ISSUE 11. P. 3469 -3488 65 72% 9
9 HUGELIUS, G , STRAUSS, J , ZUBRZYCKI, S , HARDEN, JW , SCHUUR, EAG , PING, CL , SCHIRRMEISTER, L , GROSSE, G , MICHAELSON, GJ , KOVEN, CD , ET AL (2014) ESTIMATED STOCKS OF CIRCUMPOLAR PERMAFROST CARBON WITH QUANTIFIED UNCERTAINTY RANGES AND IDENTIFIED DATA GAPS.BIOGEOSCIENCES. VOL. 11. ISSUE 23. P. 6573 -6593 40 78% 107
10 TURCOTTE, B , MORSE, B , BERGERON, NE , ROY, AG , (2011) SEDIMENT TRANSPORT IN ICE-AFFECTED RIVERS.JOURNAL OF HYDROLOGY. VOL. 409. ISSUE 1-2. P. 561-577 55 98% 17

Classes with closest relation at Level 2


Rank Class id link
1 505 GEOGRAPHY, PHYSICAL//QUATERNARY RESEARCH//GEOSCIENCES, MULTIDISCIPLINARY
2 859 SYNTAXONOMY//PHYTOSOCIOLOGY//JOURNAL OF VEGETATION SCIENCE
3 448 JOURNAL OF GLACIOLOGY//ANNALS OF GLACIOLOGY//CRYOSPHERE
4 1322 SEA ICE//JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS//URSUS MARITIMUS
5 650 WETLANDS//PEATLAND//SALT MARSH
6 1835 ANTIFREEZE PROTEIN//FREEZE TOLERANCE//SUPERCOOLING POINT
7 3419 PHOTOCHEM KINET//FIRST ORDER PHASE TRANSITIONS OF WATER//ICE SURFACE
8 733 LIMNOLOGY//EUTROPHICATION//PHYTOPLANKTON
9 2238 ORGANIC GEOCHEMISTRY//MARINE ORGAN BIOGEOCHEM//ALKENONES
10 523 SOIL SCIENCE//SOIL & TILLAGE RESEARCH//SOIL SCIENCE SOCIETY OF AMERICA JOURNAL

Go to start page